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Coway

Coway Airmega 400

★★★★★
4.6 / 5 · 8900 reviews
5 people viewing now
$424.99 $499.99 You save $75.00

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About This Product

The Coway Airmega 400 cleans up to 1560 sq ft in 30 minutes — that's an entire apartment. Dual HEPA filtration with activated carbon captures allergens, smoke, VOCs, and odors. The real-time air quality indicator ring changes color so you know exactly how clean your air is.

Pros & Cons

Pros

  • 1560 sq ft coverage
  • Dual HEPA + carbon
  • Real-time AQI display
  • Eco mode saves energy

Cons

  • Expensive
  • Filter replacement costly
  • Large footprint
  • Fan noise on high

Price History

Track how the price has changed over the last 6 months

$533
Sep
$445
Oct
$469
Nov
$486
Dec
$529
Jan
$432
Feb
$425
Mar
Current price is 15% lower than the 6-month average

Customer Reviews

4.6
★★★★★
Based on 8900 reviews
5★
85%
4★
10%
3★
3%
2★
1%
1★
1%
J
Jessica L. Verified Buyer Jan 22, 2026
★★★★★

Full disclosure: I'm super picky and return about half the stuff I order. This is staying. The finish, the weight, the overall feel — everything screams quality. Been using it daily for about a month and no complaints whatsoever.

J
James K. Verified Buyer Feb 05, 2026
★★★★★

Honestly didn't expect much at this price range but I'm pleasantly surprised. Feels premium, performs well, and doesn't have that cheap 'it'll break in a month' vibe. Genuinely impressed.

J
Jennifer E. Verified Buyer Mar 14, 2026
★★★★★

I work in a field where I need this to perform reliably every day — no exceptions. Two months of heavy daily use and it hasn't let me down once. That's all I can ask for. Would absolutely buy again.

K
Kevin D. Verified Buyer Feb 09, 2026
★★★★★

Bought one for myself, then immediately ordered another for my brother. That should tell you everything you need to know. It's one of those products where you just think 'yeah, they nailed it.'